QR Maker

You can easily generate a 2D barcode.

QR Maker is a utility app that can generate 2D barcode at free ("free", it means "mustn't pay the fee to use this app") and made in Japan. Generated 2D barcode is saved in the history of the App, and can be displayed again, and URL in 2D barcode can be open at Web browser. Of course, it's also possible to scan 2D barcode from your Phone or Tablet devices.